2002 Pontiac Grand Am Repair Question
Asked on February 13, 2013
Pontiac Grand Am Exhaust Problem
What this two sensor are for po403 and po405
Answer
Replied on February 13, 2013
Not quite that simple.
It's going to require some further diagnostics
P0403 Exhaust Gas Recirculation Control -Circuit Malfunction
P0405 Exhaust Gas Recirculation Sensor A -Circuit Low